pg_plan_advice: Plan Stability and User Planner Control for PostgreSQL?

I'm proposing a very ambitious patch set for PostgreSQL 19. Only time will tell whether it ends up in the release, but I can't resist using this space to give you a short demonstration of what it can do. The patch set introduces three new contrib modules, currently called pg_plan_advice, pg_collect_advice, and pg_stash_advice.

Hacking Workshop for March 2026

For next month's hacking workshop, I'm scheduling 2 or 3 discussions of Tomas Vondra's talk, Performance Archaeology, given at 2024.PGConf.EU. If you're interested in joining us, please sign up using this form and I will send you an invite to one of the sessions. Thanks as always to Tomas for agreeing to attend the sessions.

Who Contributed to PostgreSQL Development in 2025?

Here is another annual blog post breaking down code contributions to PostgreSQL itself (not ecosystem projects) by principal author. I have mentioned every year that this methodology has many limitations and fails to capture a lot of important work, and I reiterate that this year as usual. Nonetheless, many people seem to find these statistics helpful, so here they are.

Hacking Workshop for February 2026

For next month, I'm scheduling 2 or 3 discussions of Amit Langote's talk, Hacking Postgres Executor For Performance, given at PGConf India 2025. If you're interested in joining us, please sign up using this form and I will send you an invite to one of the sessions. Thanks to Amit for agreeing to attend the sessions.